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Language Server Protocol implementation for 1C (BSL) - 1C:Enterprise 8 and OneScript languages.
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/*
* This file is a part of BSL Language Server.
*
* Copyright (c) 2018-2024
* Alexey Sosnoviy , Nikita Fedkin and contributors
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*
* BSL Language Server is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* BSL Language Server is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with BSL Language Server.
*/
package com.github._1c_syntax.bsl.languageserver.diagnostics;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticMetadata;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticSeverity;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticTag;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticType;
import com.github._1c_syntax.bsl.languageserver.utils.Trees;
import com.github._1c_syntax.bsl.parser.BSLParser;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.tree.ParseTree;
import java.util.Optional;
@DiagnosticMetadata(
type = DiagnosticType.ERROR,
severity = DiagnosticSeverity.BLOCKER,
minutesToFix = 1,
tags = {
DiagnosticTag.SUSPICIOUS,
DiagnosticTag.BRAINOVERLOAD
}
)
public class UnaryPlusInConcatenationDiagnostic extends AbstractVisitorDiagnostic {
@Override
public ParseTree visitMember(BSLParser.MemberContext ctx) {
if (ctx.constValue() != null && ctx.constValue().numeric() != null) {
return super.visitMember(ctx);
}
BSLParser.UnaryModifierContext unaryModifier = ctx.unaryModifier();
if (unaryModifier == null || unaryModifier.PLUS() == null) {
return super.visitMember(ctx);
}
int tokenIndex = unaryModifier.getStart().getTokenIndex();
if (tokenIndex == 0) {
return super.visitMember(ctx);
}
Optional previousToken = Trees.getPreviousTokenFromDefaultChannel(documentContext.getTokens(), tokenIndex);
previousToken
.filter(token -> "+".equals(token.getText()))
.ifPresent(token -> diagnosticStorage.addDiagnostic(unaryModifier.getStart()));
return super.visitMember(ctx);
}
}
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